KLEIN TOOL ET130 Light Meter Instruction Manual

: June 9, 2024
: KLEIN TOOL

Table of Contents

KLEIN TOOL ET130 Light Meter
GENERAL SPECIFICATIONS
FEATURE DETAILS
LCD Display Detail
- SPECTRAL SENSITIVITY CHARACTERISTIC
FUNCTION BUTTONS
OPERATING INSTRUCTIONS
- LIGHTING TYPE CORRECTION FACTORS
MAINTENANCE
- BATTERY REPLACEMENT
CLEANING
STORAGE
WARRANTY
DISPOSAL / RECYCLE
CUSTOMER SERVICE
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

KLEIN TOOL ET130 Light Meter

KLEIN TOOL ET130 Light Meter product

GENERAL SPECIFICATIONS

Klein Tools ET130 is an easy-to-use precision light meter that measures illuminance levels in both Foot Candles (FC) and Lux.

Spectral Range: 400 to 760 nm; white light CIE standard
Range: 0 to 4,000 FC; 0 to 40,000 Lux (1 FC = 10.76 Lux)
Resolution: 0.01 FC / 0.1 Lux
Repeatability: +/- 3%
Accuracy: +/- 5% reading +/-10 digits @ <10,000 Lux +/- 10% reading +/-10 digits @ >10,000 Lux
Sample Rate: 2 times per second
Sensor: Silicon photodiode with spectral response filter
Battery: 9V
Operating Altitude: 6562 ft. (2000 m)
Relative Humidity: <80% non-condensing
Operating Temp: 32° to 104°F (0° to 40°C)
Storage Temp: 14° to 140°F (-10° to 60°C)
Dimensions: 8.1″ x 2.1″ x 1.4″ (206 x 54 x 36 mm)
Weight: 5.5 oz. (156 g) including batteries
Tripod Mount: 1/4-20 UNC
Calibration: Accurate for one year
Drop Protection: 3.3 ft. (1m)

Specifications subject to change.

WARNINGS
To ensure safe operation and service of the meter, follow these instructions. Failure to observe these warnings can result in severe injury or death.

Read the instructions to ensure safe operation.
Meter is NOT insulated. Avoid contact with areas where energized conductive elements may be present.
Always wear approved eye protection.

FEATURE DETAILS

Front of Meter

KLEIN TOOL ET130 Light Meter 01 Back of Meter

Photodiode Sensor
3-3/4 Digit LCD Screen
HOLD Button
MAX/MIN Button
Power Button
RANGE/FC/LUX Button
Backlight Button
1/4-20 UNC Tripod Mount
Battery Cover

LCD Display Detail

A. Measurement
B. Bar Graph
C. Low Battery Indicator
D. Units (FC/Lux)
E. Function (HOLD/MAX/MIN)
F. Range (Auto/Manual)
G. Auto Power-Off Icon
H. Resolution (40/400/4K/40K)

NOTE: There are no user-serviceable parts inside meter.

SPECTRAL SENSITIVITY CHARACTERISTIC

The meter’s spectral response aligns with the C.I.E. (International Commission of Illumination) standard.
KLEIN TOOL ET130 Light Meter 03

FUNCTION BUTTONS

ON/OFF
A short press of the Power Button 5 will power on and off the meter.

AUTO POWER-OFF
Auto Power-Off will automatically turn off the meter after 10 minutes of inactivity. When powered on, Auto Power-Off is enabled by default. A long press of the Power On/Off Button 5 for more than three seconds will disable the Auto Power-Off function, and the Auto Power-Off icon G will disappear from the display. A second long press will re-enable Auto Power-Off, and the Auto Power-Off icon will reappear.

BACKLIGHT
When powered on, the backlight is off by default. Press the Backlight button 7 to turn the backlight on or off. Backlight will remain on until it or the meter itself is turned off.

RANGE/FC/LUX
When powered on, the meter defaults to measuring in Foot Candles (FC). To switch to Lux, long-press the RANGE/FC/LUX button 6 for more than three seconds. A second long-press will switch back to FC. Note the Units icon D on the display. Short presses of the RANGE/FC/LUX button will toggle the meter between Auto-ranging and Manual-ranging modes. Note the Range icon F on the display.

When in Lux mode, short-pressing will toggle (in order) between Auto, Manual (400), Manual (4k) and Manual (40k).
When in Foot Candle (FC) mode, short-pressing will toggle (in order) between Auto, Manual (40), Manual (400) and Manual (4k).

Note the measurement resolution icon(s) H on the display when toggling between Manual modes.

DATA HOLD
Press the HOLD button 3 to hold the current measurement on the display. Press again to return to live measuring mode.

MAX/MIN
Short presses of the MAX/MIN button 4 will toggle (in order) between Maximum Value (MAX), Minimum Value (MIN) and Measurement mode.

OPERATING INSTRUCTIONS

Power on the meter, then use the RANGE/FC/LUX to select FC or Lux and to select Auto or Manual range, as described in FUNCTION BUTTONS section.
If desired, press the backlight button to turn on the display backlight, as described in FUNCTION BUTTONS section.
Face the photodiode sensor horizontal to the light source, and read LCD display.
If desired, use the function buttons to select HOLD or MAX/MIN, as described in FUNCTION BUTTONS section.
If desired, the meter can be mounted to any standard 1/4-20 tripod via the tripod mount 8 on the back of the unit.

LIGHTING TYPE CORRECTION FACTORS

The meter is calibrated under a standard tungsten light source of 2856°K. If the meter is to be used under a different type of light, the correction factors below should be applied for maximum accuracy:

Incandescent	1.00	Daylight fluorescent	0.99
Daylight	1.00	Mercury Lamp	1.14
Metal Halide	1.00	Sodium Lamp	1.22
White fluorescent	1.00

IES RECOMMENDED ILLUMINATION*

Location| Lux| FC
Office| Conference Room| 200-750| 18-70
Office area| 500-750| 47-70
Lobbies, lounges| 100-200| 9-18
School| Auditorium, Gymnasium| 100-300| 9-28
Class room| 200-750| 18-70
Library, Drafting, Laboratory| 500-1500| 47-140
Hospital| Rooms| 100-300| 9-28
Emergency Room| 500-1000| 47-93
Operating Room| 1000-2000| 93-186
Factory| Packing work| 150-300| 14-28
Parts assembly| 1500 -3000| 140-280
Inspection work| 750-1500| 70-140
Store| Stairs, Corridor| 150-200| 14-18
Stockroom| 100-300| 9-28
Merchandising| 750-1500| 70-140

The Lighting Handbook 10th Edition, Illuminating Engineering Society

NOTE: 1 Foot Candle (FC) = 10.76 Lux

MAINTENANCE

BATTERY REPLACEMENT

When the indicator is displayed on the LCD, the battery must be replaced. KLEIN TOOL ET130 Light Meter 05

Remove screw and remove battery door 9 .
Remove and recycle spent 9V battery.
Install new 9V battery.
Replace battery door and fasten securely with screw.

CLEANING

Be sure meter is turned off and wipe with a clean, dry lint-free cloth. Do not use abrasive cleaners or solvents.

STORAGE

Remove the battery when the meter is not in use for a prolonged period of time. Do not expose to high temperatures or humidity. After a period of storage in extreme conditions exceeding the limits mentioned in the General Specifications section, allow the meter to return to normal operating conditions before using.

WARRANTY

www.kleintools.com/warranty

DISPOSAL / RECYCLE

Do not place equipment and its accessories in the trash. Items must be properly disposed of in accordance with local regulations. Please see www.epa.gov/recycle for additional information.